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浜口 博, 黒田 六郎, 吉田 盛行, 小沼 直樹 分析化学 9 (1), 53-58, 1960
High concentration of free nitric acid or nitrate in solution can be conveniently determined by a differential spectrophotometric method by the use of an absorption peak at 302 mμ. The concentration …
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